[libvirt] [PATCH v2 0/7] optionally expose disk usage during dumpxml

Daniel P. Berrange berrange at redhat.com
Tue Nov 18 16:38:49 UTC 2014

On Tue, Nov 18, 2014 at 06:31:46AM -0700, Eric Blake wrote:
> v1 was here:
> https://www.redhat.com/archives/libvir-list/2014-September/msg01077.html
> This adds the framework for exposing disk of all disks from a single
> dumpxml command.  I'm still working on a followup patch to further
> list usage of disks in the backing chain, rather than just the
> top-level disk, but want to get review started on this code.

I'm not really convinced that exposing disk allocation/capacity
information in the XML is appropriate. The XML is intended as a
representation of the guest hardware API and the host configuration.

The disk allocation/capacity info is neither of those things - it
is a statistic about the current state of the system. THis is
something that we'd usually report via dedicated APIs not the

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